Dao Thi Thu, Ta Vu Luc, Luu Thi Hong Nhung, Dao Thi Hap and Le Hai Kien 2022. RESEARCH TO EVALUATE THE FLAMMABILITY OF FABRICS USED TO MAKE WORKWEAR FOR STUDENTS IN WELDING TECHNOLOGY AT HUNG YEN UNIVERSITY OF TECHNOLOGY AND EDUCATION. UTEHY Journal of Science and Technology. 33, (Mar. 2022), 67-73.